Vollertsen defines size effects as “deviations from intensive or proportional extrapolated extensive values of a process which occur when scaling the geometrical dimensions” [6]. In this context he defines intensive values as parameters, which are not expected to change due to a change of an object’s mass (e.g. its temperature or its density). In contrast, extensive values are expected to vary with a different mass (e.g. the object’s inertia force or its heat content). Generally, size effects occur due to the inability to scale all relevant process parameters equally [6]. As an example, the downscaling of a metal sheet’s thickness can result in a changing density due to local defects, although the density is considered an intensive variable. In addition to these effects, technical limitations further facilitate the occurrence of size effects. For example, the downscaling of mechanical grippers is limited by technical factors. For very small work pieces, the gripper’s adhesive force will eventually overcome the gravitational force at a certain point. Consequently, the gripper will not be able to release the work piece without aid. Basically, Vollertsen defines three distinct categories of size effects (Fig. 1)